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Prefix Free Usage Statistics

Top 10k

Top 100k

Top 1m

All Internet

Lets you use only unprefixed CSS properties everywhere.

https://leaverou.github.io/prefixfree/

Prefix Free Customers

Get access to data on 173,929 websites that are Prefix Free Customers. We know of 62,613 live websites using Prefix Free and an additional 111,316 sites that used Prefix Free historically and 29,138 websites in the United States.

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Get a list of 173,929 websites using Prefix Free which includes location information, hosting data, contact details, 62,613 currently live websites and an additional 37,921 domains that redirect to sites in this list. 111,316 sites that used this technology previouslyand 29,138 websites in the United States currently using Prefix Free.

Site Totals

Total Live: 62,613
37,921 additional website redirects^?.
USA Live Sites: 29,138
Live and Historical: 173,929

Top 1m: 0.13%
1,270
Top 100k: 0.3%
300
Top 10k: 0.36%
36

Countries

Financial

Group

African Union: 687
Arab League: 332
Asia-Pacific Economic Cooperation: 39,676
Assembly of European Regions: 10,780
Association of Caribbean State Members: 599
Association of Southeast Asian Nations: 748
Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation: 1,848
Caribbean Community Members: 26
Caribbean Free Trade Association: 21
Central American Integration System: 54
Central European Free Trade Agreement Members: 101
Club de Paris: 47,675
Commonwealth of Independent States Members: 2,063
Commonwealth of Nations: 5,741
Community of Portuguese Language Countries: 1,740
Council of Europe: 15,393
Development Assistance Committee: 46,189
East African Community: 68
Eastern Partnership: 10,501
EC Inner Six: 6,600
EC Outer Seven: 3,315
Economic Cooperation Organization: 1,058
Eurasian Economic Union: 1,996
Euronest Parliamentary Assembly: 10,412
European Economic Area: 10,254
European Free Trade Association: 799
European Union: 10,149
European Union, European Economic Area and Switzerland: 10,948
Federation of Euro-Asian Stock Exchanges: 1,397
G2 Nations: 31,439
G20 Nations: 50,225
G7 Nations: 37,958
Global Governance Group: 1,809
Group of 77: 8,510
GUAM Organization for Democracy and Economic Development: 294
Gulf Cooperation Council: 171
IBSA Dialogue Forum: 3,479
International Solar Alliance: 40,660
Interparliamentary Assembly on Orthodoxy: 4,154
Majority German-speaking states of Central Europe: 3,901
North Atlantic Treaty Organization: 41,845
Organisation for Economic Co-operation and Development: 47,591
Organisation of Eastern Caribbean States: 50
Organisation of Islamic Cooperation: 1,866
Organization of American States: 32,885
Organization of Ibero-American States: 3,551
Organization of the Black Sea Economic Cooperation: 3,033
Organization of the Petroleum Exporting Countries: 592
Organization of Turkic States: 659
Pacific Alliance: 812
Shanghai Cooperation Organisation: 5,962
South Asian Association for Regional Cooperation: 1,790
Southern African Development Community: 326
Southern Common Market: 1,927
Sovereign states and dependent territories of North America: 30,553
Union of South American Nations: 27
Visegrad Group: 1,448

Region

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